/* 
 * Project: High-End Fashion Showcase
 * Theme: Modern Minimalist & Art Photography
 * Copyright: ©2026 HAISNAP
 */

/* =========================================
   1. Design Tokens & Reset
   ========================================= */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400&family=Playfair+Display:ital,wght@0,400;0,600;1,400&display=swap');

:root {
    /* Color Palette */
    --color-bg: #FDFBF7;        /* 珍珠白 */
    --color-bg-alt: #F2F2F2;    /* 浅灰 */
    --color-text: #333333;      /* 深空灰 */
    --color-text-light: #666666;
    --color-accent: #C5B358;    /* 哑光金 */
    --color-footer: #888888;

    /* Typography */
    --font-cn: "Noto Serif SC", "Source Han Serif CN", serif;
    --font-en: "Playfair Display", serif;
    --font-sans: system-ui, -apple-system, sans-serif;

    /* Spacing & Layout */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    --container-width: 1400px;
    
    /* Transitions */
    --transition-base: all 0.3s ease;
    --transition-slow: all 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-cn);
    line-height: 1.8;
    overflow-x: hidden;
    opacity: 0;
    animation: pageFadeIn 0.8s ease forwards;
}

/* =========================================
   2. Typography
   ========================================= */
h1, h2, h3, h4 {
    font-family: var(--font-en);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
h3 { font-size: 1.5rem; color: var(--color-text); }

p {
    font-size: 1rem; /* 16px */
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.02em;
}

.en-text {
    font-family: var(--font-en);
    font-style: italic;
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition-base);
    border-bottom: 1px solid transparent;
}

a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

/* =========================================
   3. Utilities & Layout
   ========================================= */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.img-wrapper {
    overflow: hidden;
    position: relative;
    background-color: var(--color-bg-alt); /* Loading placeholder */
}

img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.img-wrapper:hover img {
    transform: scale(1.02);
}

/* 渐进加载模糊效果 */
img.lazy-load {
    filter: blur(10px);
    transition: filter 0.5s ease, transform 0.6s ease;
}

img.loaded {
    filter: blur(0);
}

/* =========================================
   4. Page: Home (光影之境)
   ========================================= */
/* Fullscreen Slider */
.hero-slider {
    height: 100vh;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
    z-index: 1;
}

.slide.active {
    opacity: 1;
    z-index: 2;
}

.slide-caption {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-family: var(--font-en);
    font-size: 2rem;
    letter-spacing: 0.1em;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    opacity: 0;
    transition: opacity 0.5s ease 0.3s;
    pointer-events: none;
    mix-blend-mode: difference;
}

.img-wrapper:hover .slide-caption {
    opacity: 1;
}

/* Quote Section */
.quote-section {
    padding: var(--spacing-xl) 0;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.quote-text {
    font-size: 1.4rem;
    color: var(--color-text);
    line-height: 2;
}

/* Theme Grid */
.theme-display {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-xl);
}

@media (min-width: 1024px) {
    .theme-display {
        grid-template-columns: 2fr 1fr;
        height: 800px;
    }
}

.theme-main {
    height: 100%;
}

.theme-side {
    display: grid;
    grid-template-rows: repeat(3, 1fr);
    gap: var(--spacing-sm);
    height: 100%;
}

/* Navigation Hint */
.nav-hint {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md);
    text-align: center;
    background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
    z-index: 10;
}

.nav-hint p {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    opacity: 0.7;
}

.nav-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.nav-links a {
    font-family: var(--font-cn);
    font-size: 1rem;
    border: 1px solid var(--color-text);
    padding: 8px 24px;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(5px);
}

.nav-links a:hover {
    background: var(--color-text);
    color: #fff;
}

/* =========================================
   5. Page: Style Guide (风格图鉴)
   ========================================= */
.style-matrix {
    padding: var(--spacing-lg) 0;
}

.matrix-group {
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding-bottom: var(--spacing-lg);
}

.matrix-layout {
    display: grid;
    gap: var(--spacing-sm);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .matrix-layout {
        grid-template-columns: 1.5fr 1fr;
    }
}

.matrix-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 移动端2列 */
    gap: var(--spacing-sm);
}

@media (min-width: 768px) {
    .matrix-details {
        grid-template-columns: 1fr; /* 平板/桌面右侧单列 */
        grid-template-rows: repeat(3, 1fr);
    }
}

.craft-note {
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--color-text-light);
    border-left: 2px solid var(--color-accent);
    padding-left: var(--spacing-sm);
    max-width: 600px;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.craft-note:hover {
    opacity: 1;
}

/* Fullscreen Overlay */
.fullscreen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(253, 251, 247, 0.98);
    z-index: 100;
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.fullscreen-overlay.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.close-btn {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 2rem;
    cursor: pointer;
    font-family: var(--font-en);
}

/* =========================================
   6. Page: Inspiration (灵感集)
   ========================================= */
.inspiration-header {
    padding: var(--spacing-lg) 0;
    text-align: center;
}

/* Masonry Layout */
.masonry-grid {
    column-count: 1;
    column-gap: var(--spacing-sm);
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .masonry-grid {
        column-count: 2;
    }
}

@media (min-width: 1200px) {
    .masonry-grid {
        column-count: 3;
    }
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
    color: #fff;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.masonry-item:hover .item-overlay {
    opacity: 1;
}

.item-overlay h3 {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
}

.item-overlay p {
    color: rgba(255,255,255,0.9);
    font-size: 0.9rem;
}

/* Lab Section */
.lab-section {
    padding: var(--spacing-xl) 0;
    background-color: #fafafa;
    text-align: center;
}

.lab-media {
    max-width: 800px;
    margin: var(--spacing-md) auto;
    aspect-ratio: 16/9;
    background: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* =========================================
   7. Footer & Animations
   ========================================= */
footer {
    padding: var(--spacing-md) 0;
    text-align: center;
    color: var(--color-footer);
    font-size: 12px;
    background-color: var(--color-bg);
    margin-top: auto;
}

@keyframes pageFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* Slot for dynamic content */
#dynamic-slot {
    display: none; /* Reserved for JS manipulation if needed */
}